GitHub Helpers

github-backup.ps1

$token = ""
$org = "acme"
$gitRepoUri = "https://api.github.com/orgs/$org/repos?access_token=$token"
$workdir = "C:/backup/git"
$git = "C:\Program Files\Git\cmd\git.exe"
$branches = "master","develop" # branches to zip
#$filter = "Team"; # leave empty if all repo

#restore : 
# 1) go to the folder (.git) 
# 2) create the repo on github
# 3) git remote set-url origin [email protected]:<username>/<repo>.git (git remote set-url origin https://github.com/<username>/<repo>.git)

#import-module $awsS3Module

mkdir $workdir -Force

$data = Invoke-RestMethod -Method Get -Uri $gitRepoUri 

New-Item -path $profile -type file –force


foreach ($repo in $data)
{ 
   Write-Output($repo)


  if(($filter.Length -gt 0) -And !($repo.name.Contains($filter))){
    Write-Output("skip : " + $repo.name)
    continue;
  }

  Write-Output("Starting backup for github repository: " + $repo.name)

  ## create the repo backup dir (or remove)
  $codeDir = "$workdir/" + $repo.name

  If (Test-Path $codeDir){
	Remove-Item $codeDir -Recurse -Force
  }

  mkdir $codeDir -Force
  cd $codeDir
    
  ## backup source code (zip /develop and /master from github)

  $codeUrl = $repo.clone_url
  $gitCodeCommand = "clone --bare $codeUrl"
  
  foreach ($branch in $branches)
  { 
    Write-Output("Download zip for branch: " + $branch + " to " + $codeDir + "/" + $branch + ".zip")
    $zipMasterCodeUri = $repo.url + "/zipball/" + $branch
    try {
        Invoke-RestMethod -Uri $zipMasterCodeUri -Headers @{"Authorization" = "token $token"} -OutFile ($codeDir + "/" + $branch + ".zip")

    } catch {
        # brnach not found,
        if($_.Exception.Response.StatusCode.value__ = 404){
           Write-Output ("branch " + $branch + " not found (" + $_.Exception.Response.StatusCode.value__ + ")")
        }
        else{
           throw $_.Exception;
        }

    }
  }

  # Backup the whole git repo (metadata, code, branches, commits ... )

  Write-Output "Backup $codeUrl code into $codeDir" 

  Write-Output $gitCodeCommand 
  Start-Process -FilePath $git -ArgumentList $gitCodeCommand -Wait -NoNewWindow;


  
  ## backup the git repo wiki  

  $wikiDir = "$workdir/" + $repo.name
  $wikiUrl = $repo.clone_url.Replace(".git", ".wiki.git")
  $gitWikiCommand =  "clone --bare $wikiUrl"

  Write-Output "Backup $wikiUrl wiki into $wikiDir"
    
  cd $wikiDir

  Start-Process -FilePath $git -ArgumentList $gitWikiCommand -Wait -NoNewWindow;
}